Remove abi-compatible-checker and abi-dumper from manifest

This is not used anywhere in Android.
Test:None
Change-Id: I6ae5eefeef1319bc16e308a0f67de70894588b13
Merged-In: I6ae5eefeef1319bc16e308a0f67de70894588b13

default.xml

@@ -75,8 +75,6 @@
   <project path="device/linaro/hikey-kernel" name="device/linaro/hikey-kernel" groups="device,hikey,pdk" clone-depth="1" />
   <project path="device/sample" name="device/sample" groups="pdk" />
   <project path="external/aac" name="platform/external/aac" groups="pdk" />
-  <project path="external/abi-compliance-checker" name="platform/external/abi-compliance-checker" groups="pdk" />
-  <project path="external/abi-dumper" name="platform/external/abi-dumper" groups="pdk" />
   <project path="external/adt-infra" name="platform/external/adt-infra" groups="adt-infra,notdefault,pdk-fs" />
   <project path="external/android-clat" name="platform/external/android-clat" groups="pdk" />
   <project path="external/androidplot" name="platform/external/androidplot" groups="pdk" />